JP6248194B2 - 多チャネルオーディオ符号化におけるノイズ充填 - Google Patents

多チャネルオーディオ符号化におけるノイズ充填 Download PDF

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JP6248194B2
JP6248194B2 JP2016528471A JP2016528471A JP6248194B2 JP 6248194 B2 JP6248194 B2 JP 6248194B2 JP 2016528471 A JP2016528471 A JP 2016528471A JP 2016528471 A JP2016528471 A JP 2016528471A JP 6248194 B2 JP6248194 B2 JP 6248194B2
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scale factor
factor band
channel
spectrum
band
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JP2016530557A (ja
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ルイス ヴァレーロ,マリア
ルイス ヴァレーロ,マリア
ヘルムリッヒ,クリスチャン
ヒルペルト,ヨハネス
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フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032Quantisation or dequantisation of spectral components
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/035Scalar quantisation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/038Vector quantisation, e.g. TwinVQ audio
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
JP2016528471A 2013-07-22 2014-07-18 多チャネルオーディオ符号化におけるノイズ充填 Active JP6248194B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177356 2013-07-22
EP13177356.6 2013-07-22
EP13189450.3A EP2830060A1 (fr) 2013-07-22 2013-10-18 Remplissage de bruit de codage audio multicanal
EP13189450.3 2013-10-18
PCT/EP2014/065550 WO2015011061A1 (fr) 2013-07-22 2014-07-18 Introduction de bruit dans le codage audio multicanal

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JP2016530557A JP2016530557A (ja) 2016-09-29
JP6248194B2 true JP6248194B2 (ja) 2017-12-13

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US (6) US10255924B2 (fr)
EP (5) EP2830060A1 (fr)
JP (1) JP6248194B2 (fr)
KR (2) KR101981936B1 (fr)
CN (2) CN105706165B (fr)
AR (1) AR096994A1 (fr)
AU (1) AU2014295171B2 (fr)
BR (5) BR112016001138B1 (fr)
CA (1) CA2918256C (fr)
ES (2) ES2746934T3 (fr)
HK (1) HK1246963A1 (fr)
MX (1) MX359186B (fr)
MY (1) MY179139A (fr)
PL (2) PL3252761T3 (fr)
PT (2) PT3025341T (fr)
RU (1) RU2661776C2 (fr)
SG (1) SG11201600420YA (fr)
TW (1) TWI566238B (fr)
WO (1) WO2015011061A1 (fr)
ZA (1) ZA201601077B (fr)

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CN114243925B (zh) * 2021-12-21 2024-02-09 国网山东省电力公司淄博供电公司 基于智能融合终端的台区配变态势感知方法及系统

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CN105706165A (zh) 2016-06-22
AR096994A1 (es) 2016-02-10
CN105706165B (zh) 2020-07-14
US20210358508A1 (en) 2021-11-18
US10255924B2 (en) 2019-04-09
BR122022016336B1 (pt) 2023-03-07
MY179139A (en) 2020-10-28
US10468042B2 (en) 2019-11-05
US11887611B2 (en) 2024-01-30
KR20180018857A (ko) 2018-02-21
BR122022016343B1 (pt) 2023-03-07
EP3618068C0 (fr) 2024-04-03
US20240127837A1 (en) 2024-04-18
AU2014295171B2 (en) 2017-09-21
ES2746934T3 (es) 2020-03-09
ZA201601077B (en) 2017-11-29
EP4369335A1 (fr) 2024-05-15
EP3252761B1 (fr) 2019-08-21
RU2661776C2 (ru) 2018-07-19
BR122022016307B1 (pt) 2023-03-07
EP2830060A1 (fr) 2015-01-28
US20190180762A1 (en) 2019-06-13
SG11201600420YA (en) 2016-02-26
PT3252761T (pt) 2019-11-11
EP3618068B1 (fr) 2024-04-03
WO2015011061A1 (fr) 2015-01-29
US20230132885A1 (en) 2023-05-04
CA2918256C (fr) 2019-08-27
EP3252761A1 (fr) 2017-12-06
MX359186B (es) 2018-09-19
US10978084B2 (en) 2021-04-13
EP3618068A1 (fr) 2020-03-04
KR101981936B1 (ko) 2019-05-27
ES2650549T3 (es) 2018-01-19
EP3025341A1 (fr) 2016-06-01
TWI566238B (zh) 2017-01-11
MX2016000912A (es) 2016-05-05
HK1246963A1 (zh) 2018-09-14
KR20160033770A (ko) 2016-03-28
US20160140974A1 (en) 2016-05-19
JP2016530557A (ja) 2016-09-29
US11594235B2 (en) 2023-02-28
PL3025341T3 (pl) 2018-02-28
BR112016001138B1 (pt) 2023-01-17
KR101865205B1 (ko) 2018-06-07
PL3252761T3 (pl) 2020-02-28
TW201519220A (zh) 2015-05-16
AU2014295171A1 (en) 2016-03-10
CA2918256A1 (fr) 2015-01-29
RU2016105517A (ru) 2017-08-25
CN112037804A (zh) 2020-12-04
EP3025341B1 (fr) 2017-09-06
BR112016001138A2 (fr) 2017-07-25
US20200051577A1 (en) 2020-02-13
BR122022016310B1 (pt) 2023-03-07
PT3025341T (pt) 2017-12-06

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